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MIPS: BMIPS: add a smp ops registration helper

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Add a helper similar to the generic register_XXX_smp_ops() for bmips.
Register SMP UP ops in case of BMIPS32/3300.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6248/
This commit is contained in:
Jonas Gorski 2013-12-18 14:12:06 +01:00 committed by Ralf Baechle
parent fe7f62c0c2
commit 04fa8bf7c0
3 changed files with 28 additions and 1 deletions
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1
arch/mips/Kconfig
View File

@ -1479,6 +1479,7 @@ config CPU_LOONGSON1
select CPU_SUPPORTS_HIGHMEM
config CPU_BMIPS32_3300
select SMP_UP if SMP
bool
config CPU_BMIPS4350

2
arch/mips/bcm63xx/prom.c
View File

@ -61,7 +61,7 @@ void __init prom_init(void)
if (IS_ENABLED(CONFIG_CPU_BMIPS4350) && IS_ENABLED(CONFIG_SMP)) {
/* set up SMP */
register_smp_ops(&bmips43xx_smp_ops);
register_bmips_smp_ops();
/*
* BCM6328 might not have its second CPU enabled, while BCM3368

26
arch/mips/include/asm/bmips.h
View File

@ -46,9 +46,35 @@
#include <linux/cpumask.h>
#include <asm/r4kcache.h>
#include <asm/smp-ops.h>
extern struct plat_smp_ops bmips43xx_smp_ops;
extern struct plat_smp_ops bmips5000_smp_ops;
static inline int register_bmips_smp_ops(void)
{
#if IS_ENABLED(CONFIG_CPU_BMIPS) && IS_ENABLED(CONFIG_SMP)
switch (current_cpu_type()) {
case CPU_BMIPS32:
case CPU_BMIPS3300:
return register_up_smp_ops();
case CPU_BMIPS4350:
case CPU_BMIPS4380:
register_smp_ops(&bmips43xx_smp_ops);
break;
case CPU_BMIPS5000:
register_smp_ops(&bmips5000_smp_ops);
break;
default:
return -ENODEV;
}
return 0;
#else
return -ENODEV;
#endif
}
extern char bmips_reset_nmi_vec;
extern char bmips_reset_nmi_vec_end;
extern char bmips_smp_movevec;